Issued by the Department of Transportation (DOT) Pipeline and Hazardous Material Safety Administration, this publication contains the complete Code of Federal Regulations for Title 49, parts 100-199, which details the U.S. Department of Transportation’s regulations for domestic shipments of dangerous goods / hazardous materials. Updated annually, this regulation publication contains requirements for label markings, placards, shipping documents, packing, training, and more. This manual encompasses all forms of domestic transportation of hazardous materials, rail, highway, air, and ocean.